- Blue Sky on Mars Pathfinder and Viking Pictures [mars-news.de] - The original raw image data from Viking and Pathfinder show blue sky.
- International Committee Against Mars Sample Return - Educational website concerning planetary protection, forward contamination of Mars, and back contamination of Earth by microbes.
- Leicester University: Beagle2 Space Research Centre - Information on the Beagle 2 Mars Lander for launch in 2003 aboard the European Space Agency's Mars Express mission, with instrumentation developed at Leicester University to search for evidence of extant or extinct life.
- Life on Mars - Malin Space Science Systems article recounts the history of speculation and investigation into the possibility of life on the red planet.
- Life on Mars and Europa Space Exploration Page - Images and facts about the possibility of life on Mars, Europa, and current exploration projects.
- Life on Mars? [MarsNews.com] - The discovery of Mars meteorite ALH84001 and debate about the findings of ancient Martian life contained within. The Viking experiments and the debate about the results of the Labeled Release experiment. The implications if Mars life is found.
- Mars Edition: Astrobiology Magazine - Various articles, images, and links relating to the search for life on Mars.
- Mars Rover Exploration 2004 - Photographic interpretation and enhanced photographs believed to show insect fossils.
- Old data holds new hope for Life on Mars - There's a rhythm in the release of radioactive-labeled gas in the experiments done by the Viking-Landers in 1976. This cycle could be the circadian rhythm of bacteria.
- Red Planet Life - Seven short articles regarding life on mars, extra terrestrial life, and man getting to mars.
- Search for life on Mars will start in Siberia - NASA funds permafrost study to support astrobiology research.
Media publications
- Debate on Mars Life Rages Long after Viking - Scientific re-consideration of possible evidence of biological processes on Mars from Viking Lander data. (Published 2001.07.20)
- Martian Meteorite Debate Rages On - News article examining controversy caused by studies of Martian meteorite ALH 84001 which may contain organic compounds. (Published 2002.04.12)
- Wired News: Scientists: Life on Mars Likely - Interviewed researchers speculate on the likelihood of finding Archaea or other subsurface microbial activity. (Published 2005.05.04)
XML-feeds
- MarsNews.com: Life on Mars (RSS) - News feed of recent articles related to the possibility of life on the red planet.